Ultrasound: physics and knobology: Revision history

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5 January 2017

  • curprev 19:1119:11, 5 January 2017‎ Jo2jo25 talk contribs‎ 215 bytes +215‎ Created page with "=Nature of Sound Waves= *How far the sound waves can travel depend on **how strong the signal is **the medium that the waves have to travel though; underwater is great medium..."
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